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   <TITLE>inline   void* osg::getGLExtensionFuncPtr</TITLE>
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<H2>inline   void* <A HREF="#DOC.DOCU">osg::getGLExtensionFuncPtr</A></H2><H2>(const char* funcName,<BR>&nbsp; const char* fallbackFuncName)</H2><BLOCKQUOTE>return the address of the specified OpenGL function, if not found then check a second function name, if this fails then return NULL as function is not supported by OpenGL library.</BLOCKQUOTE>

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<BLOCKQUOTE>return the address of the specified OpenGL function, if not found then
check a second function name, if this fails then return NULL as function is
not supported by OpenGL library.  This is usual for checking something
like glActiveTexture (which is in OGL1.3) or glActiveTextureARB.</BLOCKQUOTE>
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